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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 64http//wvwv mccaMbell carn E-mail najn@rnccamphell corn <br /> s <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> Date 03108101-03109101 Matrix Water <br /> Extraction NIA <br /> I <br /> Concentration ug/L °/.Recovery <br /> Compound Amount RPD <br /> Sample MS MSD $piked MS MSD <br /> SamplelD 30701 Instrument GC-10 <br /> Surrogate 0 000 105 0 1010 10000 105 101 39 <br /> tert-Amyl Methyl Ether 0 000 880 860 I 10000 88 86 23 I, <br /> 1 Methyl tert Butyl Ether 0 000 79 0 790 E 10000 79 79 j 00 <br /> Ethyl tert-Butyl Ether 0 000 900 890 I 10000 90 89 1 1 <br /> Di-isopropyl Ether 0 000 930 920 i 10000 93 92 1 1 I <br /> Toluene 10 000 106 0 105 0 10000 106 105 1I- I 0 9 i <br /> Benzene Tjj0 000 96 0 95 0 10000 96 95 1 0 <br /> Chlorobenzene 0 000 1020 101 0 10000 102 101 1 0 <br /> Tnchloroethane 0 000 81 0 800 10000 81 80 1 2 <br /> 1,1-Dichloroethene I 0 000 76 0 76 0 100 00 76 760 0 <br /> k <br /> I <br /> I <br /> E <br /> lei <br /> MS—Sample <br /> �G Recovery= 4mor wSpAk d l0U <br /> MS—MSD)RPD= 2100 <br /> MS+MSD) <br /> RPD means Mauve Percent Deviation <br />